A heating-cooking apparatus provided with a heating coil (3) for heating an object to be heated, and at least an operation display unit (15) for inputting a timer setting including the cooking completion time, and a control means (8) for controlling the heating coil (3) according to the timer setting, wherein the control means (8) executes: a heat-sterilization step for sterilizing a food product inside a pot-shaped container (5) by controlling the heating coil (3) in a manner such that when a timer setting is inputted, the temperature of the pot-shaped container (5) reaches a first temperature zone during a first elapsed-time interval and a finishing step for heating the pot-shaped container (5) by controlling the heating coil (3) in a manner such that the cooking corresponding to the timer setting finishes at the cooking completion time.
